Genesis 2:15-17

15 Then the Lord God took the man and put him into the garden of Eden to cultivate it and keep it. 16 And the Lord God commanded the man, saying, “From any tree of the garden you may eat freely; 17 but from the tree of the knowledge of good and evil you shall not eat, for in the day that you eat from it you shall surely die.” (NASBNASB stands for "New American Standard" version of the Bible. The NASB was produced through the Lockman Foundation in 1960 and its translation is based on the Hebrew text and the Alexandrian Text type of the Greek New Testament, with NT copies dating as early as the second century A.D. More)